DEPENDENCIES:
--------------
A standard Python distribution is required.  It was tested on version 2.5.1.

The numerical Python package 'python-numpy' is required.

In order to compile the idleness_detection C code you must have certain X11
development headers and libraries present.  For example, on Fedora the 
'libXScrnSaver-devel' package and its dependencies are required.  On Ubuntu,
the 'libxss-devel' package is required.

'/usr/bin/xset dpms force standby' is used to sleep the monitor.

/usr/bin/aplay is also required.  This should be included with any ALSA
package.

COMPILATION:
-------------
'make'


USAGE:
------
'./sonarPM'

Note that it must be run from inside an X session.